float64 gps_tow
uint16  gps_week
uint16  epoch_status
uint8   dongle_controller_state 
uint8   dongle_platform_state 
uint8   dongle_controller_status 	
uint8   dongle_platform_status
uint8   dongle_reset_reason
uint8   dongle_signal_quality	
float32 gps_correction_latency
float32 glonass_correction_latency
float32 galileo_correction_latency
float32 beidou_correction_latency